Service difficulty report · Cargo Track · Boeing 7377BD

Difficulty date
September 10, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N7751A
Make and model
Boeing 7377BD
Aircraft serial
36717
Aircraft time
43,609 hours, 22,223 cycles
Part
Cargo Track
Part number
146A7501
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION AFT CARGO BAY TRACK TIE DOWN BS747 RBL14 WL156 ; / [01] REMOVED CORROSION ON AFT CARGO BAY TRACK TIE DOWN BS.747 LBL14 WL156. REWORKED AREA DIMENSIONS L=2.0' W=1.0' D=0.019'. MAXIMUM ALLOWED MATERIAL LOSS 0.040'. FOUND TO BE WITHIN LIMITS PER SRM 53-00-53-1A-2 PARAGRAPH 4.B(2) FIGURE 103 DETAIL G. <BR>TOOL USED DEPTH GAGE ID:ATS1737 S/N:UNKNOWN; [02] CORRECTION:BS747 RBL14 WL156; [03] VERIFIED CORRECTIVE ACTION ENTRIES 1. AND 2.; [04] APPLIED CHEMICAL CONVERSION COATING AND PRIMER TO REWORKED AREAS PER AMM 51-21-41-370-802 AND AMM 51-21-72-370-804; [05] VERIFIED CORRECTIVE ACTION ENTRY 4.

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